Beginning of Essay
The arithmetic triangle was developed in 1653 by Blaise Pascal. He named this triangle after himself and today it is known as Pascal's Triangle. It is an arrangement of certain whole numbers in a triangular pattern. Blaise Pascal was regarded as a brilliant man ....

Middle of Essay
.... at rest in a closed container, a pressure change in one part of the fluid is transmitted without the loss of every portion of fluid and to the walls of the container. It also says that the pressure at a point in the fluid at rest is the same in all directions. The arithmetic triangle was known about long before Pascal's time. Omar Khayyam used it in 1100 and Chu Shih-Chieh of 1303 included it in a Chinese manuscript. European mathematicians used it one hundred years before Pascal during the development of science and algebra. ....